

#exam11 {font-size:30px;font-weight:bold;
    background-color:rgb(198, 228, 228) ;}
#exam12 {background-color:rgb(198, 228, 228) ;}
#exam13 {background-color:rgb(198, 228, 228) ;}
#exam14 {background-color:rgb(198, 228, 228) ;}
#exam15 {background-color:rgb(198, 228, 228) ;}
#exam16 {background-color:rgb(198, 228, 228) ;}
.table {
    font-family: 微软雅黑;
    width: 40%;
    margin: 20px auto;
    border-collapse: collapse;
    }
    .table th,
.table td {
border: 2px solid #000000;
}
